//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//

package org.eclipse.jetty.tests.distribution;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.FileTime;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;

import org.eclipse.jetty.client.ContentResponse;
import org.eclipse.jetty.http.HttpStatus;
import org.eclipse.jetty.tests.testers.JettyHomeTester;
import org.eclipse.jetty.tests.testers.Tester;
import org.eclipse.jetty.toolchain.test.FS;
import org.junit.jupiter.api.parallel.Isolated;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

@Isolated
public class DisableUrlCacheTest extends AbstractJettyHomeTest
{
    private static final Logger LOG = LoggerFactory.getLogger(DisableUrlCacheTest.class);

    public static Stream<Arguments> tests()
    {
        return Stream.of(
                Arguments.of("ee10", "Started oeje10w.WebAppContext@"),
                Arguments.of("ee11", "Started oeje11w.WebAppContext@")
        );
    }

    @ParameterizedTest
    @MethodSource("tests")
    public void testReloadWebAppWithLog4j2(String env, String logToSearch) throws Exception
    {
        Path jettyBase = newTestJettyBaseDirectory();
        String jettyVersion = System.getProperty("jettyVersion");
        JettyHomeTester distribution = JettyHomeTester.Builder.newInstance()
            .jettyVersion(jettyVersion)
            .jettyBase(jettyBase)
            .jvmArgs(List.of("-Dorg.eclipse.jetty.deploy.LEVEL=DEBUG"))
            .build();

        String[] setupArgs = {
            "--add-modules=http," + toEnvironment("webapp", env) + "," + toEnvironment("deploy", env) + ",disable-urlcache"
        };

        try (JettyHomeTester.Run setupRun = distribution.start(setupArgs))
        {
            assertTrue(setupRun.awaitFor(START_TIMEOUT, TimeUnit.SECONDS));
            assertEquals(0, setupRun.getExitValue());

            Path webApp = distribution.resolveArtifact("org.eclipse.jetty." + env + ":jetty-" + env + "-test-log4j2-webapp:war:" + jettyVersion);
            Path testWebApp = distribution.getJettyBase().resolve("webapps/test.war");

            Files.copy(webApp, testWebApp);

            Path tempDir = distribution.getJettyBase().resolve("work");
            FS.ensureEmpty(tempDir);

            Path resourcesDir = distribution.getJettyBase().resolve("resources");
            FS.ensureEmpty(resourcesDir);

            Path webappsDir = distribution.getJettyBase().resolve("webapps");
            String warXml =
                "<?xml version=\"1.0\"  encoding=\"ISO-8859-1\"?>" +
                "<!DOCTYPE Configure PUBLIC \"-//Jetty//Configure//EN\" \"https://jetty.org/configure_10_0.dtd\">" +
                "<Configure class=\"org.eclipse.jetty." + env + ".webapp.WebAppContext\">" +
                "   <Set name=\"contextPath\">/test</Set>" +
                "   <Set name=\"war\"><Property name=\"jetty.webapps\"/>/test.war</Set>" +
                "   <Set name=\"tempDirectory\"><Property name=\"jetty.base\"/>/work/test</Set>" +
                "   <Set name=\"tempDirectoryPersistent\">false</Set>" +
                "</Configure>";
            Path warXmlPath = webappsDir.resolve("test.xml");
            Files.writeString(warXmlPath, warXml, StandardCharsets.UTF_8);

            Path loggingFile = resourcesDir.resolve("jetty-logging.properties");
            String loggingConfig = """
                org.eclipse.jetty.LEVEL=INFO
                org.eclipse.jetty.deploy.LEVEL=DEBUG
                org.eclipse.jetty.eexx.webapp.LEVEL=DEBUG
                org.eclipse.jetty.eexx.webapp.WebAppClassLoader.LEVEL=INFO
                org.eclipse.jetty.exx.servlet.LEVEL=DEBUG
                """;
            loggingConfig = loggingConfig.replace("eexx", env);
            Files.writeString(loggingFile, loggingConfig, StandardCharsets.UTF_8);


            int port = Tester.freePort();
            String[] runArgs = {
                "jetty.http.port=" + port,
                "jetty.deploy.scanInterval=1"
                //"jetty.server.dumpAfterStart=true",
            };
            try (JettyHomeTester.Run run2 = distribution.start(runArgs))
            {
                assertTrue(run2.awaitConsoleLogsFor("Started oejs.Server@", START_TIMEOUT, TimeUnit.SECONDS));
                startHttpClient(false);

                // Test webapp is there
                ContentResponse response = client.GET("http://localhost:" + port + "/test/log/");
                assertThat(response.getStatus(), is(HttpStatus.OK_200));
                String content = response.getContentAsString();
                assertThat(content, containsString("GET at LogServlet"));

                // Trigger a hot-reload
                run2.getLogs().clear();
                touch(warXmlPath);

                // Wait for reload to start context
                assertTrue(run2.awaitConsoleLogsFor(logToSearch, START_TIMEOUT, TimeUnit.SECONDS));
                // wait for deployer to complete so context is Started
                assertTrue(run2.awaitConsoleLogsFor("Started oej%sw.WebAppContext@".formatted(env.substring(1)), START_TIMEOUT, TimeUnit.SECONDS));

                // Is webapp still there?
                response = client.GET("http://localhost:" + port + "/test/log/");
                content = response.getContentAsString();
                assertThat(content, response.getStatus(), is(HttpStatus.OK_200));
                assertThat(content, containsString("GET at LogServlet"));
            }
        }
    }

    private void touch(Path path) throws IOException
    {
        LOG.info("Touch: {}", path);
        FileTime now = FileTime.fromMillis(System.currentTimeMillis() + 2000);
        Files.setLastModifiedTime(path, now);
    }
}
